M. V. Hahn

HAHN, M. V., MCDANIEL, B. T., & WILK, J. C. (1984). GENETIC AND ENVIRONMENTAL VARIATION OF HOOF CHARACTERISTICS OF HOLSTEIN CATTLE. JOURNAL OF DAIRY SCIENCE, 67(12), 2986–2998. https://doi.org/10.3168/jds.S0022-0302(84)81664-1

Hahn, M. V. (1980). Studies of genetic and environmental characteristics of hooves of dairy cattle. Dissertation Abstracts International. B, Sciences and Engineering, 40(10), 4578.